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⚡ Drive smarter, not harder — power that lasts a lifetime!
The K&N High-Flow Original Lifetime Engine Air Filter is a premium, washable air filter designed specifically for 2019-2025 BMW models. Engineered to boost horsepower and acceleration, it features four layers of cotton gauze for superior contaminant protection. With a maintenance interval of 75,000 miles and a limited lifetime warranty, this eco-friendly upgrade offers lasting performance and durability, proudly made in the USA.





| ASIN | B07SZ3YPGR |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #51,561 in Automotive ( See Top 100 in Automotive ) #804 in Automotive Replacement Air Filters |
| Brand | K&N |
| Brand Name | K&N |
| Customer Reviews | 4.7 out of 5 stars 277 Reviews |
| Fit Type | Vehicle Specific Fit |
| Global Trade Identification Number | 00024844373151 |
| Included Components | Air Filter |
| Item Dimensions L x W x H | 10.44"L x 11.56"W x 1.75"H |
| Item Type Name | Replacement Air Filter |
| Item Weight | 1.43 Pounds |
| Manufacturer | K&N Engineering |
| Manufacturer Part Number | 33-3136 |
| Manufacturer Warranty Description | 1,000,000 Miles/10 Year |
| Model Number | 33-3136 |
| Number of Items | 1 |
| OEM Equivalent Part Number | 13718580427, 13718580428, 13718580429, 13718594535, 13718635102 |
| OEM Part Number | 13718580427, 13718580428, 13718580429, 13718594535, 13718635102 |
| Product Dimensions | 10.44"L x 11.56"W x 1.75"H |
| Product Grade | Replacement Part |
| Shape | Panel |
| UPC | 024844373151 |
| Unit Count | 1 Count |
A**.
Shotototo sound 😍
Best air filter in world with good sound
P**D
Improved and reliable.
Installed on 2021 Supra 3.0, nice drop in fitment. Hard to go wrong with K&N, came out of the bag nice and oiled. Changed my exhaust note when in sport mode, a bit more pops and turbo noise that may not be for everyone.
S**Y
Great fit
Perfect fit for 2023 BMW M440xi Gran Coupe. Increased power a bit over the old OEM filter.
E**S
Clean it in time and use special k&n products for it
Is always high quality product Last forever if you use it properly and clean it in time
E**K
Always highly recommend K&N products
It adds a nice boost to acceleration and turbo function. The performance difference between this and the OEM filter is immediately noticeable.
A**R
More hp
Easy to install and increases gas milage
M**D
Boost Performance with a Reusable Filter
The K&N High-Flow Engine Air Filter (model 33-3136) is a popular aftermarket upgrade for BMW owners (compatible with select 2019-2025 models) looking to enhance their vehicle's performance and potentially improve fuel economy. K&N is a well-known brand in this space, and their filters are designed to offer increased airflow compared to standard paper filters. 💨🚗 The main promise of this filter is an increase in horsepower and acceleration due to the less restrictive design, allowing the engine to breathe more easily. A significant advantage is its washable and reusable nature. This means that instead of replacing your air filter regularly, you can clean and re-oil this K&N filter, making it a "lifetime" filter that can last for the entire lifespan of your vehicle with proper maintenance. This can lead to cost savings over time. It's marketed as a premium product, and installation is typically straightforward, designed to fit directly into the factory air box without modifications. While the performance gains might vary depending on the specific vehicle and driving conditions, many users report a noticeable improvement in throttle response. It's important to follow K&N's cleaning and oiling instructions carefully to ensure the filter continues to perform optimally and protect your engine. For BMW owners looking for a simple bolt-on upgrade that can offer a modest performance boost and long-term reusability, the K&N 33-3136 is a solid choice. 👍
C**Y
Amazing quality!
Amazing quality, greased it up perfectly for my cars standards. Super happy with basically lifetime air filter I don’t live anywhere super dusty or park my car under trees etc so I expect it to go for a long time! I got a 2020 G20 330i and it was literally 3 clips pull and replace!
B**T
Filtre a aire kN
H**N
Gut
Sehr gut man kann richtig hören wir das auto die luft einsaugt turbo sound ist dabei.
A**N
Parfait
Parfait !
T**R
Ottimo
Facile da montare. Prodotto ottimo
A**R
perfect fit for my BMW 330i 2021
Filter fit nicely, car still running smooth as ever.
Trustpilot
1 month ago
1 week ago